crystal: expose version 1.16 (#437046)

Emily dae16246 16f9d536

Changed files
+1
pkgs
top-level
+1
pkgs/top-level/all-packages.nix
···
crystal_1_11
crystal_1_14
crystal_1_15
crystal_1_17
crystal
;
···
crystal_1_11
crystal_1_14
crystal_1_15
+
crystal_1_16
crystal_1_17
crystal
;